Composition and temperature dependent structural investigation of the perovskite-type sodium-ion solid electrolyte series Na1/2−xLa1/2−xSr2xZrO3

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dc.contributor.authorYang, FZTen_AU
dc.contributor.authorPeterson, VKen_AU
dc.contributor.authorSchmid, Sen_AU
dc.date.accessioned2021-07-30T05:19:03Zen_AU
dc.date.available2021-07-30T05:19:03Zen_AU
dc.date.issued2021-05-15en_AU
dc.date.statistics2021-07-29en_AU
dc.description.abstractOwing to their vast chemical and structural flexibility, crystalline perovskite-type metal oxides (ABO3) are amongst the most promising solid electrolytes for use in all-solid-state batteries for large scale energy storage applications. The perovskite-type sodium-ion solid electrolyte series Na1/2-xLa1/2-xSr2xZrO3 have the highest reported ionic conductivities, and we re-examine their room temperature crystal structures using X-ray and high-resolution neutron powder diffraction. In contrast to a previous report, four members of the series, x = 1/16, 1/8, 1/6, and 1/4, were found to adopt orthorhombic symmetry with the space group Pbnm. Variable temperature neutron diffraction data (room temperature to 1100 °C) were used to probe temperature-dependent structural changes for the member of the series with the highest reported ionic conductivity (x = 1/6). A phase transition from orthorhombic Pbnm to tetragonal I4/mcm was identified at 800 °C. Crown Copyright © 2021 Published by Elsevier B.Ven_AU
dc.identifier.articlenumber158500en_AU
dc.identifier.citationYang, F. Z. T., Peterson, V. K., & Schmid, S. (2021). Composition and temperature dependent structural investigation of the perovskite-type sodium-ion solid electrolyte series Na1/2− xLa1/2− xSr2xZrO3. Journal of Alloys and Compounds, 863, 158500. doi:10.1016/j.jallcom.2020.158500en_AU
dc.identifier.issn0925-8388en_AU
dc.identifier.journaltitleJournal of Alloys and Compoundsen_AU
dc.identifier.urihttps://doi.org/10.1016/j.jallcom.2020.158500en_AU
dc.identifier.urihttps://apo.ansto.gov.au/dspace/handle/10238/11190en_AU
dc.identifier.volume863en_AU
dc.language.isoenen_AU
dc.publisherElsevieren_AU
dc.subjectSolid electrolytesen_AU
dc.subjectElectric batteriesen_AU
dc.subjectSodium ionsen_AU
dc.subjectPerovskitesen_AU
dc.subjectPhase transformationsen_AU
dc.subjectNeutron diffractionen_AU
dc.titleComposition and temperature dependent structural investigation of the perovskite-type sodium-ion solid electrolyte series Na1/2−xLa1/2−xSr2xZrO3en_AU
dc.typeJournal Articleen_AU
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